AIR RELIEF/RELEASE VALVES SIGNS
What Are Air Relief/Release Valves?
In fire sprinkler and standpipe systems, air relief (or air release) valves are devices installed at high points of the piping network. Their main function is to release trapped air from the system.
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Trapped air problems: Air pockets can prevent water from flowing quickly to sprinklers during a fire, reduce system efficiency, cause water hammer, and contribute to corrosion inside pipes.
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Automatic operation: These valves typically open automatically to discharge air when the system is filled with water and then close once water reaches them.
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Standpipe use: In standpipe risers, they help ensure the riser remains full of water, ready for firefighting operations.
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Control Valve Sign – White Aluminum 2x6 | Fire Department Signs NYC
$4.99Control Valve Sign (2x6, White Aluminum) Size: 2 inch x 6 inchMaterial: Heavy-duty rust-free aluminumBackground: White with bold red letteringMounting: Pre-drilled holes for quick installationFinish: Durable, fade-resistant surface for long-term...$4.99 -
Air Relief Valve Sign – Reflective White Aluminum 4x12 | Fire Department Signs NYC
$8.99Air Relief Valve Sign (White Reflective, Aluminum, 4x12 inch) Size: 4 inch x 12 inchMaterial: Heavy-duty rust-free aluminumFinish: Reflective white background with bold red letteringMounting: Pre-drilled holes for fast installationThickness: 0.02"...$8.99